Traditional Culture Encyclopedia - Weather inquiry - Intoxicating weather
Intoxicating weather
Blood is hot, and a large amount of blood will gather on the body surface in a short time, which will make people feel hot, but this is a temporary situation. Because the capillaries stimulated by alcohol can't gather immediately to prevent the blood from transferring heat to the outside, the body will feel cold after a lot of heat is lost. After alcohol absorbs and metabolizes gastric acetaldehyde in the body, it can dilate capillaries and accelerate blood flow. "fanaticism" flowing into the skin will cause a warm feeling (the skin feels the temperature difference), and people will certainly feel that the epidermis is hot. As we all know, this is a temporary situation. Only when the warm blood in the body flows into the epidermis and capillaries of limbs with lower temperature will there be a feeling of "warmth". In fact, the body is constantly radiating heat.
On the other hand, the enlarged capillaries failed to fold up immediately, preventing the blood from transferring heat, so the capillaries expanded after drinking and the heat in the body lost quickly. When the skin and limbs feel the cold around them, of course, the jugular vein capillaries will be closed to reduce the loss of body heat, which is also a normal physiological reflex of the human body. And "drinking to warm up" is actually an anti-physiological dilation of jugular capillaries. Once I felt warm, the heat lost quickly, but I felt colder. So drunk and unconscious in winter, it is very easy to have accidents because of hypothermia, especially outdoors.
Drinking is generally not allowed to keep warm. Drinking to keep warm is just an illusion. Ethyl acetate in alcohol will cause telangiectasia, accelerate the blood circulation system, make a lot of heat in the human body lose through the skin, and lower the body temperature. Therefore, drinking to keep warm can not only keep warm, but also easily cause diseases such as fever and cold.
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